From: Chuanhong Guo <gch981...@gmail.com>
fit size should be rounded up instead of rounding down first and adding
a block. Otherwise the calculated size is one block more than needed
when fit size is exactly multiples of one block size.
Fixes: 9a863f803ec1 ("kernel: mtdsplit: add support for FIT image")
Signed-off-by: Chuanhong Guo <gch981...@gmail.com>
Signed-off-by: Qingfang Deng <qingfang.d...@siflower.com.cn>
---
.../linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c
b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c
index 3b71597d23..a271a676e1 100644
--- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c
+++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c
@@ -278,7 +278,7 @@ mtdsplit_fit_parse(struct mtd_info *mtd,
parts[0].name = KERNEL_PART_NAME;
parts[0].offset = fit_offset;
- parts[0].size = mtd_rounddown_to_eb(fit_size + offset_start,
mtd) + mtd->erasesize;
+ parts[0].size = mtd_roundup_to_eb(fit_size + offset_start, mtd);
if (type == MTDSPLIT_PART_TYPE_UBI)
parts[1].name = UBI_PART_NAME;
@@ -327,7 +327,7 @@ mtdsplit_fit_parse(struct mtd_info *mtd,
return -ENOMEM;
parts[0].name = ROOTFS_SPLIT_NAME;
- parts[0].offset = fit_offset + mtd_rounddown_to_eb(max_size,
mtd) + mtd->erasesize;
+ parts[0].offset = fit_offset + mtd_roundup_to_eb(max_size, mtd);
parts[0].size = mtd->size - parts[0].offset;
*pparts = parts;
--
2.34.1
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